For example, in a real NMR/MRI experiment, if a photon of energy 4.5x10-26J is emitted when a proton dipole moment flips from the highest to lowest energy spin states when sitting in an external magnetic field, what is the value of this field (in tesla, to the nearest tenth of a tesla)

Answer:

remove the danger that lead to injury

Explanation:

The best way is

Answer:

A

Explanation:

letting people know like you did here may decrease anger

Answer:

32

Explanation:

Answer:

Postindustrial

Explanation:

Given :

Mass of block , m = 1.35 kg .

Speed constant , k = 15 N/m .

Speed at centre , v = 34 cm/s = 0.34 m/s .

To Find :

The amplitude of oscillation .

Solution :

Now , we know total energy is conserved in SHM .

So , K.E at zero displacement :

\(K.E=\dfrac{mv^2}{2}\\\\K.E=\dfrac{1.35\times 0.34^2}{2}\\\\K.E=7.8\times 10^{-2}\ J\)

Now , this K.E is equal to maximum P.E :

\(P.E=K.E=7.8\times 10^{-2}\ J\) .

\(P.E=\dfrac{kA^2}{2}\\\\7.8\times 10^{-2}=\dfrac{kA^2}{2}\\\\A=\sqrt{\dfrac{2\times 7.8 \times 10^{-2}}{15}}\ m\\\\A=0.1019 \ m\\\\A=10.2\ cm\)

Therefore , the amplitude is 10.2 cm .

Hence , this is the required solution .

They combined in groups to make protons, neutrons, and their antiparticles. The correct option is A.

They combined in groups to make protons, neutrons, and their antiparticles. During the particle era, which occurred immediately after the Big Bang, the universe was filled with a hot soup of particles including quarks. As the universe cooled, the quarks combined in groups of three to form protons and neutrons, which are the building blocks of atoms. This process is known as hadronization. The antiparticles of these hadrons were also formed during this time. So, in summary, the quarks did not evaporate, freeze out, or combine to form electrons, neutrinos, or W and Z bosons, but rather they combined in groups of three to form protons, neutrons, and their antiparticles.

During the particle era, quarks existed freely, but as the universe cooled, they eventually combined in groups of three to form particles like protons and neutrons. This process is known as hadronization. Additionally, their antiparticles were also created through the combination of quarks and antiquarks.

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Answer: Acceleration

The initial pressure of the system was 290.66 torr.

To find the initial pressure of the system, we can use the combined gas law equation:

(P1 × V1) / (T1 × n1) = (P2 × V2) / (T2 × n2)

Since the number of moles (n) and volume (V) are constant, we can simplify the equation to:

P1 / T1 = P2 / T2

Substituting the given values, we have:

P1 / (44.30 + 273.15) = 350.5 / (109.1 + 273.15)

Now, we can solve for P1 by cross-multiplication:

P1 = (350.5 / (109.1 + 273.15)) × (44.30 + 273.15)

P1 = (350.5 / 382.25) × 317.45

P1 = 0.916 × 317.45

P1 ≈ 290.66 torr

Therefore, the initial pressure of the system was approximately 290.66 torr.

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1) Determine the mass of the expelled CO2, 2) Calculate the acceleration of the CO2 using Newton's second law, and 3) Multiply the mass by the acceleration to obtain the force exerted by the CO2 on the system.

Newton's second law states that the force exerted on an object is equal to the mass of the object multiplied by its acceleration. To apply this principle to predict the force exerted by expelled CO2 on a system, the following steps can be followed:

Determine the mass of the expelled CO2: This can be achieved by measuring the mass of the CO2 or using known properties such as the molar mass of CO2 and the quantity of CO2 expelled.

Calculate the acceleration of the CO2: The acceleration can be determined by considering the forces acting on the CO2. In this case, the main force acting on the CO2 would be the expulsion force. Other factors such as air resistance can be taken into account if necessary.

Multiply the mass by the acceleration: Once the mass and acceleration are determined, multiply them together to obtain the force exerted by the CO2 on the system. The unit of force is typically Newtons (N).

By following this method and applying Newton's second law, it is possible to predict the force exerted by the expelled CO2 on the system. It is important to ensure accurate measurements and consider all relevant forces to obtain a reliable prediction.

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a) To calculate the time it takes for the current through the resistor to reach 80% of its final value, we need to use the time constant formula, which is given by τ = L/R, where τ is the time constant, L is the inductance, and R is the resistance. Using the given values, we can calculate the time it takes for the current to reach 80% of its final value.

b) At time t = 1.0τL​, we can use the exponential decay formula for the current in an RL circuit, which is given by I(t) = I₀e^(-t/τ), where I(t) is the current at time t, I₀ is the initial current, t is the time, and τ is the time constant. Using the given values, we can calculate the current through the resistor at t = 1.0τL​.

a) The time constant τ is calculated using the formula τ = L/R. Substituting the given values, we have τ = (6.30μH)/(1.20kΩ) = 5.25μs. To find the time it takes for the current to reach 80% of its final value, we multiply the time constant by ln(1/0.80) ≈ 0.2231, which gives us t = (5.25μs)(0.2231) ≈ 1.17μs.

b) At time t = 1.0τL​, we use the exponential decay formula I(t) = I₀e^(-t/τ). Since the current is decaying, the initial current I₀ is equal to the final current when t = 0, which is the current through the resistor. Substituting the given values, we have I(t) = (14.0V)/(1.20kΩ) * e^(-1.0(5.25μs)/(5.25μs)) = 11.7mA. Therefore, the current through the resistor at t = 1.0τL​ is 11.7mA.

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Answer:

A. gravity

or gravitational force

Mark as brainliest if this helped

Peace

The acceleration of the skater is: 1.97 m/s²

Any procedure where the velocity varies is referred to as acceleration. There are only two ways to accelerate: changing your speed or changing your direction, or changing both. This is because velocity is both a speed and a direction.

Time, (t) = 10 sec

Frequency (F) = 1/t = 0.1 Hz.

Velocity, (V) = r × ω

V = 10 x (2 Π/10)

V = 6.28 m/s

Now, Centripetal acceleration,

a = v²/r

or, a = (6.28)²/20

or, a = 1.97 m/s².

Now, the acceleration of the skater is: 1.97 m/s².

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Answer:

True

But not all engineers work the same! some dont take the same steps to there design!!

Hope this helped you luv!!!! C:

Answer:

The answer is the third one.

C.

Hope this helps!

Answer:

a) one can use the fact that in an elastic collision, the speed of separation equals the speed of approach, this would favor situation (1)

Energy Path              Energy conversion

Finally, the energy conversion begins with the Sun's nuclear energy, which is converted into radiant and thermal energy to heat the air. Wind turbines then convert the mechanical energy of the moving air into electrical energy, which is then transferred through the toaster. The bread is finally heated by converting electrical energy into thermal energy.

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Your question is incomplete, most probably the complete question is:

Create path: Create an energy path in the Gizmo, starting at the Sun. For each step of the path, describe the energy conversion that takes place. The first one is done for you. Discuss your answers with your classmates and teacher.

Energy Path                                    Energy conversion

Sun                    Nuclear energy is converted to light and thermal energy.

Air                        Sunlight warms up the surface which warms up the air

Wind                  Wind turns the blades which creates electricity

Turbines           Electricity flows through the toast

Toaster

The current does not stop immediately when you unplug the toaster because of the self-inductance of the coils.

When the toaster is plugged in, a current flows through the coils, creating a magnetic field. When you unplug the toaster, the magnetic field collapses, which creates a back EMF (electromotive force) that opposes the current flow. This back EMF is proportional to the rate of change of the magnetic field, which means that it is initially very high when the magnetic field collapses rapidly. This high back EMF keeps the current flowing for a short period of time, until the magnetic field has dissipated and the back EMF has decreased. This is known as self-inductance, and it is what causes the current to take about 10 ms to die down after the toaster is unplugged.

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Answer:

1.28second

Explanation:

The speed of light is constant everywhere, it is

299,792,458m/s=299,792.458km/s

Therefore it takes

\( \frac{384000}{299792458} = 1.28sec\)

Answer:

14 km/h

Explanation:

The average speed of the cyclist could be calculated by the following formula:

average speed = total distance/total time

                         = 49/3.5

                         = 14 km/h

Hope this helps!

Answer:

B is the right answer

can you please rate &like

Regarding the difference between heat capacity, specific heat, and latent heat, statements B), C), D) and F) are true.

The specific heat of a material is the amount of heat energy required to raise the temperature of one unit of mass of that material by one degree Celsius. Heat capacity, on the other hand, is the total amount of heat energy required to raise the temperature of the entire object by one degree Celsius. Statement B is correct.

The larger the mass of the object, the more heat energy is required to raise its temperature. Specific heat, on the other hand, is a property of the material itself and does not depend on the size or mass of the object. Statement C is correct.

Specific heat and heat capacity describe the amount of heat energy required to change the phase of an object, such as changing the state of a substance from solid to liquid or liquid to gas. The heat energy absorbed or released during a phase change is called latent heat. Statements D and F are correct.

Hence statements B) C) D) and F) are true.

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--The given question is incomplete, the complete question is:

"what is the difference between heat capacity, specific heat, and latent heat? select all statements that are true.

A) Latent heat describes the amount of heat energy required to change the temperature of an object.

B) Specific heat and heat capacity describe the amount of heat energy required to change the temperature of an object.

C) Heat capacity depends on the mass of the object while specific heat only depends on the material the object is made of.

D) Specific heat and heat capacity describe the amount of heat energy exchanged to change the phase of an object.

E) Specific heat depends on the mass of the object while heat capacity only depends on the material the object is made of.

F) Latent heat describes the amount of heat energy exchanged to change the phase of an object."--

The work done in pumping all the liquid out of the tank is 2500π lb-ft.

The potential energy of an object is given by the formula:

PE = mgh

Given:

Density of oil = 50 lb/ft^3

Diameter of the tank = 10 ft ( r = 5 ft)

To calculate the work done, we need to find the mass of the oil and the height it is lifted. Let's start by finding the mass:

Volume of oil in the tank:

The volume of a hemisphere = (2/3) * π * (r^3)

Volume = (2/3) * π * (5^3) = (2/3) * π * 125 = 250π/3 ft^3

Mass of the oil:

Mass = Volume * Density = (250π/3) * 50 lb

Now, we need to find the height of the tank. For a hemisphere, the height is equal to the radius (5 ft).

Finally, we can calculate the work done:

Work = PE = mgh = (250π/3) * 50 lb * 5 ft

Work = (250π/3) * 50 * 5 lb-ft

       = 2500π lb-ft

So, the work done in pumping all the liquid out of the tank is approximately 2500π lb-ft.

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Answer:

The only way to increase a wavelength without changing speed is by decreasing the frequency. This happens when a note is lowered, and the crest of each waves separates farther and farther.

Higher frequencies consist of compact wavelengths.

Answer:

The molecules move and vibrate so quickly that they escape into the atmosphere as molecules of water vapor, that's why rainwater is also distilled, it doesent have any particles or minerals in it.

Given, acceleration of a particle on the x-axis is a = -v². The initial position and velocity are x(0) = 1, x'(0) = 2. We have to find the position, velocity, and acceleration as functions of time x(t), v(t), a(t). We can use the formulas below to solve the given problem. Position as a function of time, x(t)To find the position as a function of time x(t), we need to integrate the given acceleration function with respect to time.taking negative sign common we get,a = -v²dv/dx = -v dv = -v dx dv/v² = -dx x = ∫ dx/x² + cputting limits and solving the integral.

we get,x = 1/(v + c₁)Taking derivative both side w.r.t t,x'(t) = (-1/(v+c₁)²) . dv/dtTo find the value of constant c₁, we use the initial velocity,x'(0) = 2 = (-1/(v(0)+c₁)²) . dv/dt(2/1) = dv/dt ..... (1)Integrating both sides of the above equation with respect to t, we getv(t) = -2t + Cwhere C is the constant of integration. Substituting the value of v(t) in the equation x = 1/(v + c₁), we getx(t) = 1/(-2t + C + c₁)Velocity as a function of time, v(t).

The velocity as a function of time, v(t) is given byv(t) = -2t + C, where C is the constant of integration.Initial velocity is v(0) = -2(0) + C = C = 2Substituting this value in the above equation, we getv(t) = -2t + 2Acceleration as a function of time, a(t)Acceleration as a function of time is given bya(t) = -v²(t) = -(-2t+2)²= -(4t² - 8t + 4)= -4(t² - 2t + 1) = -4(t-

1)²Therefore, Position as a function of time, x(t) is x(t) = 1/(-2t + C + c₁).Velocity as a function of time, v(t) is v(t) = -2t + 2.Acceleration as a function of time, a(t) is a(t) = -4(t-1)².

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The rock was launched in the upward direction with an initial velocity of 8.58 m/s.The speed of the rock 4.5 seconds after launch is  35.52 m/s.

Given:

Time after launch (t) = 2.1 s

Rising rate (v) = 12 m/s

(a) By using the equation of motion v = u + at

where,

v denotes the final velocity, u initial velocity, a is the acceleration, and t is the time.

v = u + at

12= u + (9.8) × 2.1 s

u = 12 - (9.8 m/s² × 2.1 s)

u = 12 - 20.58

u = -8.58 m/s

The negative sign indicates that the rock was launched in the upward direction with an initial velocity of 8.58 m/s.

(b) To calculate the speed 4.5 seconds after launch,

v = u + at

v = -8.58 + (9.8) × 4.5 s

v = 35.52 m/s

The speed of the rock 4.5 seconds after launch is  35.52 m/s.

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Answer:

Time seem to flow only in one direction because if it started to go in backward direction that would break the second law of thermodynamics. We do not find time to be moving in any direction because time is not an object that can move nor is it a force that can move any object.

The Average velocity of the ball rolls is 4.20 m/s

To calculate the average velocity, we need to divide the displacement of the ball by the time taken. Displacement is the change in position, which can be calculated by subtracting the initial position from the final position.

Given that the ball rolls from x = -5.0 m to x = 32.4 m, we can determine the displacement as follows:

Displacement = Final position - Initial position

Displacement = 32.4 m - (-5.0 m)

Displacement = 32.4 m + 5.0 m

Displacement = 37.4 m

Now, we can calculate the average velocity using the formula:

Average velocity = Displacement / Time

Given that the time taken is 8.9 seconds, we can substitute the values:

Average velocity = 37.4 m / 8.9 s

Average velocity ≈ 4.20 m/s

Since velocities to the right are considered positive, the positive value of 4.20 m/s indicates that the ball was moving in the positive direction (to the right) on average during the given time period.

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In general, the most stable point in simulations involving energy, potential, or force usually refers to a point of equilibrium where the forces acting on the system are balanced, and there is no net movement or change in the system.

An experiment in science is a carefully designed and controlled procedure that is carried out to test a hypothesis or answer a research question. It is a systematic and empirical approach to investigating phenomena and understanding the natural world.

In an experiment, a researcher manipulates one or more variables and observes the effects of the manipulation on the dependent variable. The independent variable is the variable that is manipulated, while the dependent variable is the variable that is being measured or observed to see if it changes in response to the manipulation.

The goal of an experiment is to establish cause-and-effect relationships between variables by controlling for other factors that could influence the outcome. The experiment should be designed to minimize bias and confounding factors that could affect the results, and the results should be analyzed statistically to determine the significance of any observed effects.

Experiments are an essential part of the scientific method and are used in many scientific disciplines, including physics, chemistry, biology, psychology, and others. They allow researchers to test hypotheses, make predictions, and draw conclusions based on empirical evidence.

Here in the question,

The similarity of the most stable point in different trials will depend on the specifics of the simulation and the initial conditions set up for each trial. If the simulations involve similar systems and starting conditions, then the most stable point may be similar in terms of the position, potential energy, force, or other parameters being measured.

Therefore, Simulations involving energy, potential, or force usually refer to a point of equilibrium where the forces acting on the system are balanced.

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Answer:

F_net = 1.125 10⁻⁶ N

positive direction of the x axis

Explanation:

The electric force is given by Coulomb's law

           F =\(k \frac{q_1q_2}{r_{12}^2}\)

also used  charge of equal sign repel each other.

We appease this information to our problems

the charge q₁ is positive and the charge q₃ is positive for which the force is repulsive; ; a charge q₂ is negative so the force is attractive.

If we apply that the forces are vectors

            F_net = - F₁₃ + F₂₃

           F_net = \(-k \frac{q_1q_3}{r_{13}^2} + k \frac{q_2q_3}{r_{23}^2}\)

            F_net = k q₃ ( \(- \frac{q_1}{r_{13}^2} + \frac{q_2}{r_{23}^2}\) )

let's look for the distances

          r₁₃ = 2-0 = 2 cm = 2 10⁻² m

          r₂₃ = 4-0 = 4 cm = 4 10⁻² m

let's substitute

            F_net = 9 10⁹ 5 10⁻⁹ ( \(- \frac{1 \ 10^{-9}}{2 \ 10^{-2}} + \frac{3 \ 10^{-9}}{4 \ 10^{-2}}\))

            F_net = 45 (- 0.5 10⁻⁷ + 0.75 10⁻⁷)

            F_net = 1.125 10⁻⁶ N

the positive sign indicates that the outside has a positive direction of the x axis, that is, it is to the right